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Finding the Fourth Proportional to 587,188.48, 810,270.60 and 325,550.78

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Solution

The fourth proportional to 587,188.48, 810,270.60 and 325,550.78 is: 449,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,188.48 : 810,270.60 = 325,550.78 : x
  2. Step 2: Convert to fraction form
    587,188.48/810,270.60 = 325,550.78/x
  3. Step 3: Cross multiply
    587,188.48x = 810,270.60 × 325,550.78
  4. Step 4: Simplify right side
    587,188.48x = 263,784,225,841.07
  5. Step 5: Solve for x
    x = 263,784,225,841.07/587,188.48
  6. Step 6: Final answer
    x = 449,232.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.